Computer organization questions answers campus interviews

 

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Computer organization questions answers campus interviews

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Question 6
The two phases of executing an instruction are .....
A
Instruction decoding and storage
B
Instruction fetch and instruction execution
C
Instruction execution and storage
D
Instruction fetch and Instruction processing
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Question 6 Explanation: 
First, the instructions are fetched and decoded and then they're executed and stored.
Question 7
The Instruction fetch phase ends with .....
A
Placing the data from the address in MAR into MDR
B
Placing the address of the data into MAR
C
Completing the execution of the data and placing its storage address into MAR
D
Decoding the data in MDR and placing it in IR
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Question 7 Explanation: 
The fetch ends with the instruction getting decoded and being placed in the IR and the PC getting incremented.
Question 8
While using the iterative construct (Branching) in execution ..... instruction is used to check the condition.
A
TestAndSet
B
Branch
C
TestCondn
D
None of the mentioned
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Question 8 Explanation: 
Branch instruction is used to check the test condition and to perform the memory jump with the help of offset.
Question 9
When using Branching, the usual sequencing of the PC is altered. A new instruction is loaded which is called as .....
A
Branch target
B
Loop target
C
Forward target
D
Jump instruction
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Question 10
The condition flag Z is set to 1 to indicate .....
A
The operation has resulted in an error
B
The operation requires an interrupt call
C
The result is zero
D
There is no empty register available
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Question 10 Explanation: 
This condition flag is used to check if the arithmetic operation yields a zero output.
There are 10 questions to complete.

 

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